Tip for syringes.



Patented Nov; 6, I900.

H. P. COLE.

TIP FOR SYRINGES.

(Application filed Dec. 5, was.

(No Model.)

ln'/enor .P Ga fe, I By ttormy Wztnesse;

a thread or other removable connection, yet

instruments have not been ,so formed that at the required point. With this end in view I form the usual conical end of the syringejoins said tip with an easy curve'until it 'vided with a flange, projection, or other pro- UNITED STATES- PATENT OFFICE.

HARLAN 1 COLE, or HARTFORD, CONNECTICUT.

TIP FOR SYRlNGESn SPEGIFISATION forming part of Letters Patent No. 61,167. dated November 6, 1900.

Application filed December 5, 1899.

To all whom it mag concern..- Be it known that-I, HARLAN P. COLE, a citizen of the United States of America, and a resident of Hartford, in the county of Hartford and State of Connecticut, have invented certain new and useful Improvements in Tips for Syringes, of which the following is a specification. 4

My invention relates to syringes and especially to the tips thereof. Heretofore in all devicesof which I am aware the tips of thesethey can be readily retained in the-passages in which they are inserted, and consequently much trouble has arisen in causing them to be maintained in the position required where the medicated or other fluid contained in the bulb of the syringe or elsewhere may be appliedwith the desired effect. These defects in the'old forms of syringe-tips are particularly vexatious when it is desired toretain them, for instance, in the rectal or vaginal passages of the human body, and my invention is particularly designed to overcome thesedefect-s and to so form the tip of the syringe that when inserted into the desired passage it will dilate the walls thereof, which walls will then immediately contract, and will retain as long as is desired the tip or the syringe in place tip with a shoulder or projection and gradually contract the end of the stem where it meets the stem proper. While'I have shown for purposes of illustration the tip proper of the syringe as secured to the stem thereofbyit is to be distinctly understood that the invention is not limited thereto and includes within its purview any and all forms of syringetips for the purpose stated which areprotuberance for the purpose of accomplishing the result stated, and, .as is obvious, the invention is not limited to atip made in sections, for it could readily be adapted to and employed with an integral tip. I

Further details of my invention will be set forth in the following description, reference being had to the accompanying drawings, inwhich- Fig. 1. As will appearfrom said figure, the tip is inserted the conical end thereof will Figure-1 represents my invention in place within one of the passages of'the human body.

Fig. 2 is aside elevationof-a syringe-tip embodying myinvention. Fig. 3 isa longitudinal vertical section t is a cross-section thereof on the lin'e 4-. 4 of Fig. 3.

Like characters of reference indicate like parts throughout the several views.

The syringe-tip is designated in a general of myinvention, and-Fig;

way by'B, and the stem thereof by A, said stem being provided with the, usual corrugations. or other projections a,-over which the tube R of a syringe-bulb or other receptacle R is slipped and retained in the usual manner.

This tip B is shown as a tubular member having curved inner walls b, a .shoulder b for fitting upon the stem A, and a rabbeted portion or circular depending lip 12, shown as internally threaded to engage with an exterior thread on the periphery of the bulged or rounded portion 11, at the upper end of the stern A. As will be observed, this construction results in the formation of a shoulder 20, shown as extending entirely around the bulged portion 11 of the stem, which shoulder when the tip is inserted into the passage of the body as shown in Fig. 1 will subserve the purpose above stated. In this connection it may be stated that my invention is not limited to the continuous shoulder shown, for said shoulder may be interrupted, if desired, andyet accomplish the result sought to be obtained. 4

Located in a rabbeted portion 15 in the bulged part 11 of the stem of the tip is a perforated disk or plate 14:, having a series of holes 16, said plate being held in place by the shoulder b" of the tip BI Rising'from this perforated plate 14 is a short stem'or rod 18, having a deflector 19 at its free end. This device18 is shown as having a threaded stud 18, which is inserted in an opening 17, having threaded walls, in plate 14:; but the connection of the device 18 to the plate 14 may be integral, if desired.

in the usual manner and is then inserted within the passage of the body, as shown in when dilate or enlarge the walls of said passage, which will then contract over the bulging portion. 1.1 of the stem and behind the shoulder or other projection and will thus serve to seat and retain the tip in place until the desired medicament or cleansing fluid has been applied to the part requiringt-reatmen t. This'fluid as it leaves the syringe-bulb or other receptacle will pass along the channel 10 of stem A, will enter the flaring chamber in the bulbous portion 11 of the stem, will pass through the perforations 1G in the disk orv plate 14, and fromthence through the passage b of the tip B to the deflector 19, by which it isspread into a fan-like sheet and is thus applied to the part requiring treatment Having. thus described my invention, what I claim is l. A tip for syringes having a conical end with a circumferential flange adjacent to the point where said end is unitedto the body portion of the tip, said flange serving to re- 2d day of December, 1899.

tain the tip within a passage of thefhuman body.

' 2. A tip' for syringes comprisiuga tubular ste n h'avingachamberedend portion of large diameter, andyaconical tip proper having a flange located at right anglesto the stem and Witnesses:

of the body.

.4. A stern for a syringe having an enlarged portion with exteriorly-curved walls at one' end, combined with a tip removably applied to said enlarged portion and having angular shoulder-on its under side, and a deflector located within said tip.

a right-- 5. The combination with a source of fluid- V supply, of a stem having an enlarged portion at one end, a perforated plate carrying a deflector removably seated in said enlarged portion, and a tip surrounding said deflector, said tip having a shoulder, substantially as set forth. Y

Signed by meat Hartford, @onnecticut, this HARLAN P. COLE.

G. U. KIERSTEAD, HENRY BIssELL. 

